diff --git a/.gitmodules b/.gitmodules
index 8e68994..e31c4c7 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -7030,3 +7030,6 @@
 [submodule "cockpit"]
 	path = cockpit
 	url = ../../pool/cockpit
+[submodule "php8"]
+	path = php8
+	url = ../../pool-internal/php8
diff --git a/php8 b/php8
new file mode 160000
index 0000000..058bc02
--- /dev/null
+++ b/php8
@@ -0,0 +1 @@
+Subproject commit 058bc02e641c816899cdc08131a549560e8e43a6